Multi-channel ultrasonic high-speed acquisition circuit

The multichannel ultrasonic high-speed acquisition circuit comprises a central processing unit, and a multichannel ADC acquisition unit, a clock unit and an optical fiber transceiver which are connected with the central processing unit, the system further comprises a plurality of ultrasonic signal acquisition branches connected with the central processing unit, each ultrasonic signal acquisition branch comprises an ultrasonic pulse driving amplification circuit, an ultrasonic echo signal amplification unit and an analog switch connected between the ultrasonic pulse driving amplification circuit and the ultrasonic echo signal amplification unit, and the control end of each analog switch is connected with the central processing unit. And the input end of the ultrasonic pulse driving amplification circuit and the output end of the ultrasonic echo signal amplification unit are respectively connected with the central processing unit and the multi-channel ADC acquisition unit. According to the utility model, emissi